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共检索到6条 ,权限内显示50条;
Agricultural Resources and Environmental Indicators, 2019
- 关键词：
- conservation tillage
- 年份：
- 2019
- 摘要：
- Agricultural Resources and Environmental Indicators, 2019, describes trends in e ...
Tillage Intensity and Conservation Cropping in the United States
- 关键词：
- conservation tillage
- 年份：
- 2018
- 摘要：
- r time, this report estimates the number of years no-till or strip-till are used ...
The Role of Agriculture in Reducing Greenhouse Gas Emissions
- 关键词：
- agricultural economics climate change conservation greenhouse gas emissions carbon land methane mitigation agricultural practices
- 年份：
- 2010
- 摘要：
- greenhouse gas (GHG) emissions or take greenhouse gases out of the atmosphere. ...
Adoption of Agricultural Production Practices: Lessons Learned from the U.S. Department of Agriculture Area Studies Project
- 年份：
- 2001
- 摘要：
- nitrogen applications, green manure, biological pest controls, pest-resistant v ...
Characteristics of U.S. Wheat Farming: A Snapshot
- 关键词：
- Wheat input use production practices farm characteristics farm size costs and returns regression low-cost farms high-cost farms cumulative distribution
- 年份：
- 2000
- 摘要：
- g to the findings of a 1994 survey conducted by the U.S. Department of Agricultu ...
Green Technologies for a More Sustainable Agriculture
- 关键词：
- conservation tillage
- 年份：
- 1999
- 摘要：
- r development. In addition, simply making a technology available does not mean i ...
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